8-6
Electrical system
X6 - P/N 6525032M1
Electrical system - Warnings
It is absolutely forbidden to make changes or connections
to the data interconnecting lines between control units
(CAN-BUS lines). They are to be considered as INVIOLA-
BLE. All diagnostic and maintenance operations may only
be carried out by authorised technicians, with specific
appliances approved by Argo Tractors.
Use only fuses with the rated capacity for their specific
function. Do not ever use fuses with higher rated capacity.
Replace a blown fuse only after correcting the relative mal-
function and turn off any keys and users before replacing.
Please keep in mind that electrical systems made by un-
qualified persons might severely damage the systems on
board the tractor (control units, harnesses, sensors etc.),
and jeopardize the riding safety and good operation of
the tractor. Such damages ARE NOT COVERED BY OUR
CONTRACT WARRANTY.
Never disconnect control unit and sensor connectors
while the engine is running and the control units are
powered.
Negative conductors connected to a grounding point of
the system must be as short as possible and star con-
nected with each other.
As a principle, the grounding connections of the tractor
may not be changed.
If the creation of further grounding points is required, the
holes already provided on the frame must be used, taking
care of the following
- remove lacquer from the frame
- use a suitable highly conductive lacquer between frame
and cable terminal.
- connect the ground within 5 minutes from lacquer ap-
plication.
THE POINTS PROVIDED FOR ENGINE CONNECTION
TO GROUND MUST BE ABSOLUTELY AVOIDED FOR
GROUND CONNECTIONS - Fig.8-3
1- Ground connection; A. Efficient grounding point; B.
Not efficient grounding point.
2 - Cable fastening: A. Screw; B. Cable terminal; C.
Washer; D. Nut.
3- Correctly grounded cable.
B
A
Fig. 8-3
Starter motor
The starter motor should be thoroughly cleaned after pe-
riods of 1000 hours or at least once a year. Particularly
check the condition of the brushes and collector.
Alternator
The alternator keeps the battery fully charged.
The alternator is a brushless model and requires no special
maintenance. However, the following precautions must
be observed.
1 - When fitting a battery, make sure that the positive
and negative terminals are connected to the same
leads as the alternator. If the battery terminals are
inverted, you will short circuit the battery through the
alternator diodes.
2 - When connecting the battery to a charger, make sure
that the positive (+) lead of the charger is connected
to the positive of the battery and the negative (-) to
the negative. Incorrect connection will damage the
diodes and the other circuit components.
3 - Never run the alternator unless it is properly con-
nected.
If the battery is not connected, high voltages can build
up inside the alternator that can be extremely danger-
ous if the output terminal is touched.
Make sure that all connections are firm and tight
before carrying out any inspections or tests on the
electrical system.
4 - Never short circuit or earth any of the alternator ter-
minals. This could damage the electrical system.
5 - Never invert the alternator connections. The battery
and alternator earths must be of the same sign or
the alternator diodes will be damaged.
6 - Always disconnect both alternator terminals before
undertaking any electric arc welding on the tractor.
CAUTION Always use the specific PPE for the opera-
tion concerned.
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